3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{ public function __construct(){ $b = new B(); $a = $this; $b->a = function() use($a){ $a->x(); }; $b->callA(); } private function x(){ var_dump('a'); } } class B { public $a; public function callA(){ $this->a(); } } $a = new A();

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0140.00718.34
8.3.50.0110.00522.05
8.3.40.0070.00718.67
8.3.30.0150.00319.00
8.3.20.0080.00020.20
8.3.10.0080.00023.48
8.3.00.0070.00420.92
8.2.180.0160.00416.88
8.2.170.0110.01122.96
8.2.160.0100.00320.52
8.2.150.0050.00324.18
8.2.140.0070.00024.66
8.2.130.0070.00026.16
8.2.120.0080.00019.48
8.2.110.0030.00620.54
8.2.100.0080.00417.85
8.2.90.0040.00418.03
8.2.80.0060.00317.97
8.2.70.0070.00317.75
8.2.60.0060.00317.93
8.2.50.0030.00618.07
8.2.40.0030.00619.95
8.2.30.0000.00718.31
8.2.20.0030.00517.81
8.2.10.0060.00318.09
8.2.00.0040.00419.50
8.1.280.0110.00425.92
8.1.270.0050.00322.11
8.1.260.0000.00726.35
8.1.250.0020.00528.09
8.1.240.0040.00422.14
8.1.230.0090.00720.71
8.1.220.0040.00417.74
8.1.210.0030.00518.96
8.1.200.0030.00717.35
8.1.190.0000.00817.25
8.1.180.0080.00018.10
8.1.170.0000.00918.50
8.1.160.0000.00822.03
8.1.150.0020.00518.53
8.1.140.0040.00417.41
8.1.130.0000.00817.77
8.1.120.0040.00417.50
8.1.110.0040.00417.50
8.1.100.0070.00017.41
8.1.90.0000.00717.48
8.1.80.0080.00017.42
8.1.70.0070.00017.29
8.1.60.0040.00417.58
8.1.50.0050.00317.53
8.1.40.0050.00317.53
8.1.30.0000.00817.58
8.1.20.0000.00717.70
8.1.10.0000.00817.63
8.1.00.0000.01117.48
8.0.300.0000.00719.97
8.0.290.0080.00016.75
8.0.280.0000.00718.35
8.0.270.0070.00017.11
8.0.260.0030.00317.16
8.0.250.0030.00317.02
8.0.240.0050.00316.85
8.0.230.0050.00216.89
8.0.220.0050.00316.86
8.0.210.0000.00616.77
8.0.200.0000.00617.04
8.0.190.0050.00216.91
8.0.180.0100.00016.86
8.0.170.0060.00316.94
8.0.160.0070.00016.97
8.0.150.0070.00016.90
8.0.140.0030.00416.93
8.0.130.0090.00013.32
8.0.120.0040.00416.95
8.0.110.0060.00316.99
8.0.100.0070.00016.85
8.0.90.0040.00416.85
8.0.80.0070.00816.95
8.0.70.0040.00416.86
8.0.60.0000.00816.96
8.0.50.0040.00416.96
8.0.30.0120.00816.96
8.0.20.0140.00517.40
8.0.10.0030.00517.03
8.0.00.0130.00716.99
7.4.330.0020.00215.00
7.4.320.0030.00316.51
7.4.300.0040.00416.46
7.4.290.0000.00716.48
7.4.280.0040.00416.36
7.4.270.0040.00416.54
7.4.260.0030.00616.50
7.4.250.0040.00416.61
7.4.240.0050.00216.53
7.4.230.0030.00316.31
7.4.220.0070.01016.57
7.4.210.0100.01016.70
7.4.200.0000.00716.61
7.4.160.0070.01116.39
7.4.150.0210.00317.40
7.4.140.0070.01317.86
7.4.130.0100.00716.61
7.4.120.0120.00516.65
7.4.110.0030.01616.59
7.4.100.0030.01416.46
7.4.90.0050.01116.34
7.4.80.0000.01819.39
7.4.70.0180.00316.46
7.4.60.0090.00616.59
7.4.50.0030.00616.45
7.4.40.0040.01116.45
7.4.30.0100.00716.42
7.4.00.0030.01015.03
7.3.330.0000.00513.38
7.3.320.0000.00613.36
7.3.310.0060.00016.22
7.3.300.0030.00316.40
7.3.290.0100.00316.41
7.3.280.0070.01016.33
7.3.270.0080.00917.40
7.3.260.0090.01516.41
7.3.250.0080.01216.44
7.3.240.0000.01616.35
7.3.230.0130.00316.39
7.3.210.0120.00616.30
7.3.200.0070.02019.39
7.3.190.0060.01416.33
7.3.180.0080.00816.27
7.3.170.0120.00316.50
7.3.160.0160.00616.64
7.3.120.0060.00914.81
7.2.330.0090.00916.64
7.2.320.0040.01416.76
7.2.310.0070.01016.81
7.2.300.0100.00616.43
7.2.290.0100.00716.69
7.2.60.0040.00816.86
7.2.00.0000.01019.35
7.1.200.0120.00315.63
7.1.100.0000.01118.11
7.1.70.0000.01017.22
7.1.60.0100.01019.70
7.1.50.0070.01717.14
7.1.00.0100.06722.57
7.0.200.0000.01016.72
7.0.140.0070.07022.07
7.0.60.0100.07720.02
7.0.50.0000.08717.96
7.0.40.0000.05020.06
7.0.30.0300.07720.09
7.0.20.0270.03720.21
7.0.10.0130.04720.21
7.0.00.0030.07320.16
5.6.280.0070.07020.83
5.6.210.0200.06020.57
5.6.200.0000.08718.18
5.6.190.0030.04720.52
5.6.180.0030.08720.52
5.6.170.0200.04020.56
5.6.160.0000.08320.54
5.6.150.0100.03318.27
5.6.140.0070.03718.23
5.6.130.0030.07318.19
5.6.120.0100.08321.00
5.6.110.0030.07321.02
5.6.100.0070.05321.02
5.6.90.0030.06020.98
5.6.80.0000.08720.38
5.6.70.0330.06320.36
5.5.350.0100.07020.36
5.5.340.0030.08317.93
5.5.330.0030.08720.34
5.5.320.0300.07020.31
5.5.310.0270.06720.30
5.5.300.0070.08018.07
5.5.290.0030.09018.08
5.5.280.0030.08720.81
5.5.270.0030.08020.65
5.5.260.0100.08020.87
5.5.250.0070.08720.58
5.5.240.0130.07320.25
5.4.450.0230.05037.49
5.4.440.0230.04733.67
5.4.430.0770.03019.39
5.4.420.0370.04033.62
5.4.410.0400.05733.59
5.4.400.0270.03731.27
5.4.390.0230.04731.25
5.4.380.0130.06018.74
5.4.370.0200.05318.67
5.4.360.0170.05318.57
5.4.350.0200.05018.56
5.4.340.0200.05018.57
5.4.320.0070.03612.52
5.4.310.0090.03412.51
5.4.300.0090.04012.51
5.4.290.0100.03712.50
5.4.280.0030.04112.40
5.4.270.0040.03812.40
5.4.260.0070.04112.41
5.4.250.0070.03612.40
5.4.240.0090.03812.40
5.4.230.0120.03412.39
5.4.220.0040.03812.39
5.4.210.0090.03712.40
5.4.200.0080.03512.39
5.4.190.0070.03412.39
5.4.180.0090.04212.39
5.4.170.0050.04212.40
5.4.160.0080.03812.40
5.4.150.0040.03812.39
5.4.140.0080.04112.07
5.4.130.0090.04412.07
5.4.120.0050.03712.02
5.4.110.0070.03612.02
5.4.100.0070.03812.02
5.4.90.0050.04112.02
5.4.80.0050.03812.02
5.4.70.0050.04112.02
5.4.60.0100.03612.02
5.4.50.0070.03312.02
5.4.40.0070.04012.00
5.4.30.0070.03912.00
5.4.20.0070.03412.00
5.4.10.0050.03512.00
5.4.00.0020.04011.49
5.3.290.0040.04312.80
5.3.280.0040.04512.71
5.3.270.0060.04012.72
5.3.260.0070.04212.72
5.3.250.0040.04112.72
5.3.240.0080.03612.72
5.3.230.0050.03912.71
5.3.220.0080.03912.68
5.3.210.0060.03912.68
5.3.200.0040.04412.68
5.3.190.0060.04212.68
5.3.180.0050.03912.67
5.3.170.0090.03712.67
5.3.160.0060.03812.68
5.3.150.0090.03612.67
5.3.140.0060.04312.66
5.3.130.0100.03712.65
5.3.120.0070.04912.66
5.3.110.0060.04312.66
5.3.100.0120.03212.13
5.3.90.0070.03612.12
5.3.80.0110.03212.10
5.3.70.0070.03512.11
5.3.60.0030.04412.09
5.3.50.0070.03912.04
5.3.40.0070.03512.04
5.3.30.0100.04412.00
5.3.20.0050.03611.78
5.3.10.0070.03311.74
5.3.00.0040.04311.73
5.2.170.0050.0329.22
5.2.160.0050.0299.23
5.2.150.0060.0299.23
5.2.140.0040.0319.22
5.2.130.0030.0319.18
5.2.120.0030.0309.18
5.2.110.0060.0309.19
5.2.100.0070.0279.18
5.2.90.0050.0359.18
5.2.80.0070.0389.17
5.2.70.0050.0329.17
5.2.60.0070.0289.13
5.2.50.0070.0359.10
5.2.40.0050.0309.07
5.2.30.0070.0379.05
5.2.20.0060.0279.04
5.2.10.0020.0388.94
5.2.00.0080.0298.81
5.1.60.0060.0298.09
5.1.50.0040.0258.09
5.1.40.0040.0268.07
5.1.30.0060.0298.42
5.1.20.0050.0268.45
5.1.10.0040.0258.17
5.1.00.0050.0258.17
5.0.50.0020.0216.65
5.0.40.0040.0266.50
5.0.30.0050.0306.32
5.0.20.0040.0206.28
5.0.10.0030.0216.26
5.0.00.0030.0336.25
4.4.90.0040.0164.78
4.4.80.0040.0194.75
4.4.70.0040.0144.75
4.4.60.0050.0174.76
4.4.50.0030.0214.77
4.4.40.0020.0304.71
4.4.30.0050.0184.76
4.4.20.0030.0194.84
4.4.10.0030.0194.85
4.4.00.0070.0304.75
4.3.110.0020.0164.67
4.3.100.0020.0184.66
4.3.90.0030.0234.64
4.3.80.0050.0284.58
4.3.70.0020.0154.63
4.3.60.0010.0184.63
4.3.50.0020.0164.63
4.3.40.0020.0244.54
4.3.30.0010.0163.30
4.3.20.0030.0193.28
4.3.10.0020.0203.24
4.3.00.0170.01714.89

preferences:
40.4 ms | 401 KiB | 5 Q